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   <div id="projectname">EquTemper&#160;<span id="projectnumber">1.01</span></div>
   <div id="projectbrief">An equation editor.</div>
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<div class="title">Things to be implemented </div>  </div>
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<div class="textblock"><p>This page lists the things that need to be done and that have no othaer place to live in. The <a href="todo.html">todo page</a>) lists things to be implemented that already have a defined place.</p>
<h2><a class="anchor" id="sect_calc_eng"></a>
Computational engine</h2>
<p>A way to evaluate the values and to highlite the parts that can't be evaluated. Default flow of execution marked with arrows that the user may edit.</p>
<h2><a class="anchor" id="sect_find_replace"></a>
Search and replace</h2>
<p>Name said it all. Tied with the <a class="el" href="future_plans.html#sect_var_high">highlite section</a>.</p>
<h2><a class="anchor" id="sect_var_high"></a>
Names highlite</h2>
<p>Highlite the name of:</p>
<ul>
<li>the variable under the mouse on mouse move</li>
<li>choosen variable during comman inside entire sheet. Navigate to previous / next occurence.</li>
</ul>
<p>The highlite must be viewport based, so that highliting an expression in a viewport does not show it highlited in another.</p>
<h2><a class="anchor" id="sect_parser"></a>
Parser</h2>
<p>The parser needs to be able to parse:</p>
<ul>
<li>c/c++ expressions</li>
<li>tex expressions</li>
<li>what else?</li>
</ul>
<p>To support the interaction with the parser, the user shall be presented with a text box embedded in the viewport / outside of it where it may type the entire text without being disturbed by constant re-arranging that occurs inmain editor. This may be presented as an option to replace the default behaviour and as a separate command.</p>
<h2><a class="anchor" id="sect_Viewports"></a>
Viewports</h2>
<p>Highlite the current viewport inside <a class="el" href="class_mdi_child.html" title="form representing a document inside MDI area">MdiChild</a></p>
<h2><a class="anchor" id="sect_imports"></a>
Imports</h2>
<p>Place import statement (visible or not, according to user's choice) that inherit a set of formulas. Create online repository.</p>
<h2><a class="anchor" id="sect_docum"></a>
List of functions / variables. Documentation</h2>
<p>A pop-up / docked panel shall present the list of known tokens (from all imported sheets or only from this one) grouped in various ways and present:</p>
<ul>
<li>icons / color codes to tell the type of the token</li>
<li>the sheet where they originated.</li>
</ul>
<p>Optionally, the occurences may be highlited when a list entry is selected.</p>
<p>Each token may have an associated description. A popup / docked window may track the mouse or the selection and display the brief documentation for that token. Extensive documentation / links to wikipedia pages need to have their own browser, perhaps in MDI area. Options should enable the user to open links in it's default browser.</p>
<h2><a class="anchor" id="sect_plugins"></a>
Plug-ins. Scripting.</h2>
<p>It is vital to let the advanced user use extended capabilities. This may be accomplished using a plug-in system based on dynamic loading of the libraries and (at least) a scripting system.</p>
<h2><a class="anchor" id="sect_items"></a>
Items</h2>
<p>Using flexible interface provided by the &lt;a href="<a href="http://doc.qt.nokia.com/latest/qgraphicsscene.html">http://doc.qt.nokia.com/latest/qgraphicsscene.html</a>&gt;QGraphicsScene a large variety of items may be created inside the sheet. Underlying engine is OpenGL, so 2D drawing capabilities are at fingertips. Elements like charts, animations, ... have to be implemented.</p>
<h2><a class="anchor" id="sect_various"></a>
Various</h2>
<ul>
<li>be able to display sub-Items with different settings</li>
<li>simple / fancy display of graphics (image / line)</li>
<li>text more read-able</li>
<li>toolbar for apparence (font color background)</li>
<li>window to show only current sub-item or item</li>
<li>user un create sub-items</li>
<li>scale individual elements</li>
<li>clear formatting and autoadjust sizes</li>
<li>printing</li>
<li>cut copy paste xml based</li>
<li>undo and redo</li>
<li>user settings for all things</li>
<li>draw order (front back front before after)</li>
<li>decorated text; toolbar</li>
<li>images as items</li>
<li>convert to/from other notations (latex web)</li>
<li>settings for wheel (zoom scroll)</li>
<li>copy / save as image</li>
<li>plug-ins; script as plug-in</li>
</ul>
<hr/>
 Step to next page: <a href="hierarchy.html">class herarchy</a> or go to previous page: <a class="el" href="sp_src_idx.html">An overview of the sourcecode</a> </p>
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